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NOVA - Season 5 Episode 16

NOVA - Season 5 Episode 16 - Documentary TV Shows 55:14. story about In a world that each year loses up to 40 percent of its crops to insects, some form of pest control is desperately needed. But chemical pesticides have backfired. Pesticide-resistant insects frequently develop, and previously harmless insects have become devastating infestations. Farmers have found themselves trapped on a "pesticide treadmill"—the more they spray, the more they have to spray. NOVA examines several alternatives for pest control.

Released: Mar 03, 1974

Runtime: 55:14

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Networks: PBS

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